Invasive mussels stall a pricey water pipeline on Utah’s Lake Powell; a new class of western land tycoons clash with locals over land use; cannabis farmers tap into a budding market for organic and biodynamic marijuana products; and other recent news from around the West.

California announces chlorypyrifos ban; hazardous air in 96% of National Parks; approval for Arizona Rosemont mine sparks controversy; Supreme Court upholds Native hunting rights; Energy Department working to keep Montana’s Colstrip power plant from closing, and other recent news from around the West.

Carbon farming in California to fight climate change; basking sharks recently returned to the California coast; Blackfeet Nation hopes to open its own National Park; alliance of organizations seeks to restore Taos river; and other environmental reads from the past week.

Increased rain and snow force Oroville Spillway into use; health impacts from oil and natural gas extraction; Northern New Mexico trout drop; record-high Mexican gray wolf population in Southwest; and more environmental news from around the West this month.